package com.applet.mallappletbackstage.handler.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class LoginFilter implements Filter {

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) servletRequest;

        HttpSession session = httpRequest.getSession();
        Object user = session.getAttribute("adminSession");
        if (user == null) {
            ((HttpServletResponse) servletResponse).sendRedirect("/");
        } else {
            filterChain.doFilter(servletRequest, servletResponse);
        }
    }
}
